US3468121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing sprinkly colored fibrous material
Assignee: Toray Industries Inc
•
Filing: 1967-08-07
•
Granted: 1969-09-23
•
Expires: 1987-08-07
Abstract
No abstract record available.
Inventors
- 👤 Hirotaka Nakashima
- 👤 Katsunosuke Maeda
- 👤 Togo Fukunaga
- 👤 Satoru Suzuki
- 👤 Kenichiro Matsuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:19
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D02G3/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA719046A
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US2278888A
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US2461094A
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US2904953A
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US2805465A
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US3053604A
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US3061998A
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GB1059567A
Cited
FR1423757A
Cited
US3375651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |